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/*
* Authored By Niels De Graef <niels.degraef@barco.com>
*
* Copyright (C) 2018 Barco NV
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef __META_MULTI_TEXTURE_FORMAT_H__
#define __META_MULTI_TEXTURE_FORMAT_H__
#include <glib.h>
#include <cogl/cogl.h>
#include <meta/common.h>
G_BEGIN_DECLS
/**
* MetaMultiTextureFormat:
* @META_MULTI_TEXTURE_FORMAT_FORMAT_SIMPLE: Any format supported by Cogl (see #CoglPixelFormat)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YUYV: YUYV, 32 bits, 16 bpc (Y), 8 bpc (U & V)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YVYU: YVYU, 32 bits, 16 bpc (Y), 8 bpc (V & U)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_UYVY: UYVY, 32 bits, 16 bpc (Y), 8 bpc (V & U)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_VYUY: VYUV, 32 bits, 16 bpc (Y), 8 bpc (V & U)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_AYUV: AYUV, 32 bits, 8 bpc
* @META_MULTI_TEXTURE_FORMAT_FORMAT_XRGB8888_A8: 2 planes: 1 RGB-plane (64-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_XBGR8888_A8: 2 planes: 1 BGR-plane (64-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_RGBX8888_A8: 2 planes: 1 RGB-plane (64-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_BGRX8888_A8: 2 planes: 1 BGR-plane (64-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_RGB888_A8: 2 planes: 1 RGB-plane (32-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_BGR888_A8: 2 planes: 1 BGR-plane (32-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_RGB565_A8: 2 planes: 1 RGB-plane (16-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_BGR565_A8: 2 planes: 1 BGR-plane (16-bit), 1 alpha-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_NV12: 2 planes: 1 Y-plane, 1 UV-plane (2x2 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_NV21: 2 planes: 1 Y-plane, 1 VU-plane (2x2 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_NV16: 2 planes: 1 Y-plane, 1 UV-plane (2x1 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_NV61: 2 planes: 1 Y-plane, 1 VU-plane (2x1 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_NV24: 2 planes: 1 Y-plane, 1 UV-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_NV42: 2 planes: 1 Y-plane, 1 VU-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YUV410: 3 planes: 1 Y-plane, 1 U-plane (4x4 subsampled), 1 V-plane (4x4 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YVU410: 3 planes: 1 Y-plane, 1 V-plane (4x4 subsampled), 1 U-plane (4x4 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YUV411: 3 planes: 1 Y-plane, 1 U-plane (4x1 subsampled), 1 V-plane (4x1 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YVU411: 3 planes: 1 Y-plane, 1 V-plane (4x1 subsampled), 1 U-plane (4x1 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YUV420: 3 planes: 1 Y-plane, 1 U-plane (2x2 subsampled), 1 V-plane (2x2 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YVU420: 3 planes: 1 Y-plane, 1 V-plane (2x2 subsampled), 1 U-plane (2x2 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YUV422: 3 planes: 1 Y-plane, 1 U-plane (2x1 subsampled), 1 V-plane (2x1 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YVU422: 3 planes: 1 Y-plane, 1 V-plane (2x1 subsampled), 1 U-plane (2x1 subsampled)
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YUV444: 3 planes: 1 Y-plane, 1 U-plane, 1 V-plane
* @META_MULTI_TEXTURE_FORMAT_FORMAT_YVU444: 3 planes: 1 Y-plane, 1 V-plane, 1 U-plane
*
* XXX write docs
*/
typedef enum _MetaMultiTextureFormat
{
META_MULTI_TEXTURE_FORMAT_SIMPLE,
/* The following list is somewhat synced with Linux's <drm_fourcc.h> */
/* Packed YUV */
META_MULTI_TEXTURE_FORMAT_YUYV,
META_MULTI_TEXTURE_FORMAT_YVYU,
META_MULTI_TEXTURE_FORMAT_UYVY,
META_MULTI_TEXTURE_FORMAT_VYUY,
META_MULTI_TEXTURE_FORMAT_AYUV,
/* 2 plane RGB + A */
META_MULTI_TEXTURE_FORMAT_XRGB8888_A8,
META_MULTI_TEXTURE_FORMAT_XBGR8888_A8,
META_MULTI_TEXTURE_FORMAT_RGBX8888_A8,
META_MULTI_TEXTURE_FORMAT_BGRX8888_A8,
META_MULTI_TEXTURE_FORMAT_RGB888_A8,
META_MULTI_TEXTURE_FORMAT_BGR888_A8,
META_MULTI_TEXTURE_FORMAT_RGB565_A8,
META_MULTI_TEXTURE_FORMAT_BGR565_A8,
/* 2 plane YUV */
META_MULTI_TEXTURE_FORMAT_NV12,
META_MULTI_TEXTURE_FORMAT_NV21,
META_MULTI_TEXTURE_FORMAT_NV16,
META_MULTI_TEXTURE_FORMAT_NV61,
META_MULTI_TEXTURE_FORMAT_NV24,
META_MULTI_TEXTURE_FORMAT_NV42,
/* 3 plane YUV */
META_MULTI_TEXTURE_FORMAT_YUV410,
META_MULTI_TEXTURE_FORMAT_YVU410,
META_MULTI_TEXTURE_FORMAT_YUV411,
META_MULTI_TEXTURE_FORMAT_YVU411,
META_MULTI_TEXTURE_FORMAT_YUV420,
META_MULTI_TEXTURE_FORMAT_YVU420,
META_MULTI_TEXTURE_FORMAT_YUV422,
META_MULTI_TEXTURE_FORMAT_YVU422,
META_MULTI_TEXTURE_FORMAT_YUV444,
META_MULTI_TEXTURE_FORMAT_YVU444
} MetaMultiTextureFormat;
META_EXPORT
const char * meta_multi_texture_format_to_string (MetaMultiTextureFormat format);
META_EXPORT
void meta_multi_texture_format_get_bytes_per_pixel (MetaMultiTextureFormat format,
uint8_t *bpp_out);
META_EXPORT
int meta_multi_texture_format_get_n_planes (MetaMultiTextureFormat format);
META_EXPORT
void meta_multi_texture_format_get_subsampling_factors (MetaMultiTextureFormat format,
uint8_t *horizontal_factors,
uint8_t *vertical_factors);
META_EXPORT
void meta_multi_texture_format_get_subformats (MetaMultiTextureFormat format,
CoglPixelFormat *formats_out);
META_EXPORT
gboolean meta_multi_texture_format_needs_shaders (MetaMultiTextureFormat format);
META_EXPORT
gboolean meta_multi_texture_format_get_snippets (MetaMultiTextureFormat format,
CoglSnippet **vertex_snippet,
CoglSnippet **fragment_snippet,
CoglSnippet **layer_snippet);
G_END_DECLS
#endif
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